2007 Arctic Cat Y-12 90cc ATV Service Manual, Page 30Get this manual

2007 Arctic Cat Y-12 90cc ATV Service Manual, Page 30

16Remove the chain from the camshaft sprocket; then remove the rocker arm assembly and camshaftAccount for two alignment
head and remove the cylinder head assemblyDiscard the head gasket DSC02084 19Using needle-nose pliers, remove the piston
pin circlips; then remove the piston pinAccount for the circlips DSC02074 DSC02086 20If replacing the rings, remove them